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20331113101200 = 24325211513411947
BaseRepresentation
bin1001001111101101101001…
…10001100011011110010000
32122222122011020011211120100
410213312310301203132100
510131101104423214300
6111123552345012400
74165605635653146
oct447666461433620
978878136154510
1020331113101200
116529416350810
122344380784100
13b462a5c946a5
14504061597596
15253cd3c41700
hex127db4c63790

20331113101200 has 180 divisors, whose sum is σ = 76968665596368. Its totient is φ = 4928754681600.

The previous prime is 20331113101151. The next prime is 20331113101237. The reversal of 20331113101200 is 210131113302.

20331113101200 is a `hidden beast` number, since 2 + 0 + 331 + 1 + 1 + 310 + 1 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256666374 + ... + 256745573.

Almost surely, 220331113101200 is an apocalyptic number.

20331113101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331113101200 is an abundant number, since it is smaller than the sum of its proper divisors (56637552495168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331113101200 is a wasteful number, since it uses less digits than its factorization.

20331113101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513411982 (or 513411968 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20331113101200 its reverse (210131113302), we get a palindrome (20541244214502).

The spelling of 20331113101200 in words is "twenty trillion, three hundred thirty-one billion, one hundred thirteen million, one hundred one thousand, two hundred".